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//!
//! Attributes analyzys and manipulation.
//!
/// Define a private namespace for all its items.
mod private
{
use crate :: *;
use core ::fmt;
/// `Tokens` is a wrapper around `proc_macro2 ::TokenStream`.
/// It is designed to facilitate the parsing and manipulation of token streams
/// within procedural macros.
///
/// # Examples
///
/// Creating a new `Tokens` instance from a token stream :
///
/// ```rust
/// use macro_tools ::exposed :: *;
///
/// let ts: proc_macro2 ::TokenStream = qt! { let x = 10; };
/// let tokens = tokens ::Tokens ::new( ts );
/// ```
#[ derive( Default ) ]
pub struct Tokens
{
/// `proc_macro2 ::TokenStream`
pub inner: proc_macro2 ::TokenStream,
}
impl Tokens
{
/// Constructor from `proc_macro2 ::TokenStream`.
#[ must_use ]
pub fn new(inner: proc_macro2 ::TokenStream) -> Self
{
Tokens { inner }
}
}
impl syn ::parse ::Parse for Tokens
{
fn parse(input: syn ::parse ::ParseStream< '_ >) -> syn ::Result< Self >
{
let inner: proc_macro2 ::TokenStream = input.parse()?;
Ok(Tokens ::new(inner))
}
}
impl quote ::ToTokens for Tokens
{
fn to_tokens(&self, tokens: &mut proc_macro2 ::TokenStream)
{
self.inner.to_tokens(tokens);
}
}
impl fmt ::Debug for Tokens
{
fn fmt(&self, f: &mut fmt ::Formatter< '_ >) -> fmt ::Result
{
write!(f, "{}", self.inner)
}
}
impl core ::fmt ::Display for Tokens
{
fn fmt(&self, f: &mut core ::fmt ::Formatter< '_ >) -> core ::fmt ::Result
{
write!(f, "{}", self.inner)
}
}
}
#[ doc( inline ) ]
#[ allow( unused_imports ) ]
pub use own :: *;
/// Own namespace of the module.
#[ allow( unused_imports ) ]
pub mod own
{
use super :: *;
#[ doc( inline ) ]
pub use orphan :: *;
}
/// Orphan namespace of the module.
#[ allow( unused_imports ) ]
pub mod orphan
{
use super :: *;
#[ doc( inline ) ]
pub use exposed :: *;
}
/// Exposed namespace of the module.
#[ allow( unused_imports ) ]
pub mod exposed
{
use super :: *;
pub use super ::super ::tokens;
// pub use super ::own as tokens;
#[ doc( inline ) ]
pub use prelude :: *;
#[ doc( inline ) ]
pub use private :: { Tokens };
}
/// Prelude to use essentials: `use my_module ::prelude :: *`.
#[ allow( unused_imports ) ]
pub mod prelude
{
use super :: *;
}